Annealed SAE-AISI D5 vs. ASTM A387 Grade 12 Class 1
Both annealed SAE-AISI D5 and ASTM A387 grade 12 class 1 are iron alloys. Both are furnished in the annealed condition. They have 83% of their average alloy composition in common. There are 27 material properties with values for both materials. Properties with values for just one material (6, in this case) are not shown.
For each property being compared, the top bar is annealed SAE-AISI D5 and the bottom bar is ASTM A387 grade 12 class 1.
Metric UnitsUS Customary Units
Mechanical Properties
| Brinell Hardness | 230 | |
| 140 |
| Elastic (Young's, Tensile) Modulus, GPa | 190 | |
| 190 |
| Elongation at Break, % | 14 | |
| 25 |
| Poisson's Ratio | 0.28 | |
| 0.29 |
| Shear Modulus, GPa | 75 | |
| 73 |
| Shear Strength, MPa | 470 | |
| 300 |
| Tensile Strength: Ultimate (UTS), MPa | 770 | |
| 470 |
Thermal Properties
| Latent Heat of Fusion, J/g | 270 | |
| 250 |
| Melting Completion (Liquidus), °C | 1430 | |
| 1470 |
| Melting Onset (Solidus), °C | 1390 | |
| 1420 |
| Specific Heat Capacity, J/kg-K | 480 | |
| 470 |
| Thermal Conductivity, W/m-K | 27 | |
| 44 |
| Thermal Expansion, µm/m-K | 11 | |
| 13 |
Electrical Properties
| Electrical Conductivity: Equal Volume, % IACS | 4.2 | |
| 7.2 |
| Electrical Conductivity: Equal Weight (Specific), % IACS | 4.9 | |
| 8.3 |
Otherwise Unclassified Properties
| Base Metal Price, % relative | 13 | |
| 2.8 |
| Density, g/cm3 | 7.7 | |
| 7.8 |
| Embodied Carbon, kg CO2/kg material | 3.5 | |
| 1.6 |
| Embodied Energy, MJ/kg | 51 | |
| 21 |
| Embodied Water, L/kg | 120 | |
| 51 |
Common Calculations
| PREN (Pitting Resistance) | 15 | |
| 2.7 |
| Stiffness to Weight: Axial, points | 14 | |
| 13 |
| Stiffness to Weight: Bending, points | 25 | |
| 24 |
| Strength to Weight: Axial, points | 28 | |
| 16 |
| Strength to Weight: Bending, points | 24 | |
| 17 |
| Thermal Diffusivity, mm2/s | 7.4 | |
| 12 |
| Thermal Shock Resistance, points | 26 | |
| 14 |
Alloy Composition
| Carbon (C), % | 1.4 to 1.6 | |
| 0.050 to 0.17 |
| Chromium (Cr), % | 11 to 13 | |
| 0.8 to 1.2 |
| Cobalt (Co), % | 2.5 to 3.5 | |
| 0 |
| Copper (Cu), % | 0 to 0.25 | |
| 0 |
| Iron (Fe), % | 77.9 to 84.4 | |
| 97 to 98.2 |
| Manganese (Mn), % | 0 to 0.6 | |
| 0.4 to 0.65 |
| Molybdenum (Mo), % | 0.7 to 1.2 | |
| 0.45 to 0.6 |
| Nickel (Ni), % | 0 to 0.3 | |
| 0 |
| Phosphorus (P), % | 0 to 0.030 | |
| 0 to 0.025 |
| Silicon (Si), % | 0 to 0.6 | |
| 0.15 to 0.4 |
| Sulfur (S), % | 0 to 0.030 | |
| 0 to 0.025 |
| Vanadium (V), % | 0 to 1.0 | |
| 0 |